Emiliano Zapata's famous phrase 'Zapata's Zilch' is a reference to the Mexican revolutionary leader's refusal to accept anything less than full land reform. The term 'Zapata's Zilch' is often used to refer to a situation in which someone refuses to accept anything less than what they are demanding. The crossword solution for this term is 'NADA', which is the Spanish word for 'NOTHING'. This reflects the idea that Zapata was willing to accept NOTHING less than full land reform.